1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
|
#include "auth/Crypto.h"
#include "common/Clock.h"
#include "common/config.h"
#include "common/debug.h"
#define dout_subsys ceph_subsys_auth
#define AES_KEY_LEN 16
#define dout_context g_ceph_context
using namespace std;
int main(int argc, char *argv[])
{
char aes_key[AES_KEY_LEN];
memset(aes_key, 0x77, sizeof(aes_key));
bufferptr keybuf(aes_key, sizeof(aes_key));
CryptoKey key(CEPH_CRYPTO_AES, ceph_clock_now(), keybuf);
const char *msg="hello! this is a message\n";
char pad[16];
memset(pad, 0, 16);
bufferptr ptr(msg, strlen(msg));
bufferlist enc_in;
enc_in.append(ptr);
enc_in.append(msg, strlen(msg));
bufferlist enc_out;
std::string error;
if (key.encrypt(g_ceph_context, enc_in, enc_out, &error) < 0) {
ceph_assert(!error.empty());
dout(0) << "couldn't encode! error " << error << dendl;
exit(1);
}
const char *enc_buf = enc_out.c_str();
for (unsigned i=0; i<enc_out.length(); i++) {
std::cout << hex << (int)(unsigned char)enc_buf[i] << dec << " ";
if (i && !(i%16))
std::cout << std::endl;
}
bufferlist dec_in, dec_out;
dec_in = enc_out;
if (key.decrypt(g_ceph_context, dec_in, dec_out, &error) < 0) {
ceph_assert(!error.empty());
dout(0) << "couldn't decode! error " << error << dendl;
exit(1);
}
dout(0) << "decoded len: " << dec_out.length() << dendl;
dout(0) << "decoded msg: " << dec_out.c_str() << dendl;
return 0;
}
|
